package com.huawei.struts.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Date;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.st.model.LjwProgramItemT;

/**
 * A data access object (DAO) providing persistence and search support for
 * LjwProgramItemT entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.st.model.LjwProgramItemT
 * @author MyEclipse Persistence Tools
 */

public class LjwProgramItemTDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(LjwProgramItemTDAO.class);
	// property constants
	public static final String PROGRAM_ID = "programId";
	public static final String VALUE = "value";
	public static final String DISPLAY_VALUE = "displayValue";

	protected void initDao() {
		// do nothing
	}

	public void save(LjwProgramItemT transientInstance) {
		log.debug("saving LjwProgramItemT instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(LjwProgramItemT persistentInstance) {
		log.debug("deleting LjwProgramItemT instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public LjwProgramItemT findById(java.lang.Integer id) {
		log.debug("getting LjwProgramItemT instance with id: " + id);
		try {
			LjwProgramItemT instance = (LjwProgramItemT) getHibernateTemplate()
					.get("com.st.model.LjwProgramItemT", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(LjwProgramItemT instance) {
		log.debug("finding LjwProgramItemT instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding LjwProgramItemT instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from LjwProgramItemT as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByProgramId(Object programId) {
		return findByProperty(PROGRAM_ID, programId);
	}

	public List findByValue(Object value) {
		return findByProperty(VALUE, value);
	}

	public List findByDisplayValue(Object displayValue) {
		return findByProperty(DISPLAY_VALUE, displayValue);
	}

	public List findAll() {
		log.debug("finding all LjwProgramItemT instances");
		try {
			String queryString = "from LjwProgramItemT";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public LjwProgramItemT merge(LjwProgramItemT detachedInstance) {
		log.debug("merging LjwProgramItemT instance");
		try {
			LjwProgramItemT result = (LjwProgramItemT) getHibernateTemplate()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(LjwProgramItemT instance) {
		log.debug("attaching dirty LjwProgramItemT instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(LjwProgramItemT instance) {
		log.debug("attaching clean LjwProgramItemT instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static LjwProgramItemTDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (LjwProgramItemTDAO) ctx.getBean("LjwProgramItemTDAO");
	}
	
	public int deleteProgromByProgramId(final Integer programId) {
		Integer count = (Integer)getHibernateTemplate().execute(new HibernateCallback() {
			public Object doInHibernate(Session session)
					throws HibernateException, SQLException {
				
				  String sql = "delete from  LJW_PROGRAM_ITEM_T where PROGRAM_ID=?";
				  Connection conn = session.connection();    
				  PreparedStatement preparedStatement = conn.prepareStatement(sql);
				  preparedStatement.setInt(1, programId);
				  int isSuccess=preparedStatement.executeUpdate();
				  conn.close(); 
				  preparedStatement.close();
				return new Integer(isSuccess);
			}
		});
		return Integer.parseInt(count.toString());
	}
}